Color Wheel Expert
Based on the color wheel and color harmony theory, Color Wheel Expert enables users to select a color, and then have 12 harmonious colors displayed in a circle. With Color Wheel Expert, it's easy to find analogous colors, triads, and complements and split-complements colors. ... Color Wheel Expert makes it easy to select colors from a 216-color web safe palette, and slider adjustments help users fine-tune the color selection, as well as pick colors from anywhere on the screen and make colors web safe.
http://www.abitom.com/download/colorwheelxp.zip - 2Mb - Download - Screenshot

Add Color
A multifunctional color picker that makes selecting color an easy task. You can enter the color in decimal, hexadecimal, select it from the palette, capture it from the current screen, or paste it to or from the clipboard. It fully supports web safe colors by finding the closest to the current... You can make, save or load your custom palette. ... All this and more - freeware.
http://www.webdirectory.co.yu/download/addclr23.zip - 224Kb - Download - Screenshot

Colors Builder
Program "Colors Builder" is intended for creation of harmonious color circuits for web-site and formation of sets of palettes for web-design. Opportunities of a choice of primary colour from a palette of colors are included in the program: using Windows dialogue, from scale of the colors... The program visually allows to select color scales from chosen (primary) colour with smooth transition from one color to another and to determine their six-digit hexadecimal codes. ... The program will be useful to web-designers and to programmers.
http://www.softholm.com/soft/colorsbuilder.zip - 183Kb - Download - Screenshot

Palette Editor Plugin for Pro Motion
Pro Motion is a bitmap editor and animation package, ideal for creating pixel precise animations, images or icons used in games or Flash applications especially for handheld systems like mobile phones,gameboy,PDA,Pocket PC and similar. It has a huge number of functions ranging from simple... This plugin lets you reorganize color palettes using drag/drop using different block selection modes. ... Use it to create precise and clean images on pixel level for application, game or web design.
http://www.cosmigo.com/promotion/palediplugin.exe - 539Kb - Download - Screenshot

PaintChips Hex Color Picker
PaintChips is a free color picking tool which allows you to mix and match colors without being confined to forms or small palette boxes. PaintChips allows you to mix and match colors visually by dragging and dropping them next to each other. Picking colors is not enough... ... - Convert hex color codes to rgb values. ... For example, let's say you want to find just the right 'blue' and you have 20 to choose from which are very close in color. ... Features: - Huge selection of predefined colors both web-safe, generic and pastel colors.
http://www.thenetter.com/scripts/PaintChips.exe - 265Kb - Download - Screenshot

DMControls.ColorMixer .NET control
DMControls. ColorMixer is a . NET control with an ability to take a color swatch from a palette and mix all possible colors viewing the color coordinates in RGB, HSV, SMYK, HSL formats. Hexagon picker is available for preliminary basic (Web) color selection and for further elaborations RGB, HSV,... There is an opportunity to choose approximate color sample from color spectrum palette and define a color tint concretely managing changes in color representation by sliders. ... ColorMixer can be used in a wide range of projects, matching different design styles and color gamma as the...
http://www.dmcontrols.com/ColorMixer.zip - 1Mb - Download - Screenshot

Cool Web Scrollbars
Add cool, colored scrollbars (visible in I. E. 5. 5 or later) to your web pages in a snap with this free program. Easy to use, graphical interface lets you define colors for all scrollbar elements in a friendly, visual environment either by entering hex color values manually, by selecting from... Includes actual size preview via built-in "mini-browser" and the ability to save and load color schemes for re-use at a later time. ... You can even save Outlook Express stationery files so that your emails will have colored scrollbars too.
http://www.harmonyhollow.net/download/coolscrl.exe - 355Kb - Download - Screenshot

ColorCache
This compact utility is the color designers equivalent of the Swiss Army Penknife. It packs in a color picker, color scheme generator, web preview tools and much more. Designed to fit seamlessly with the way you work, it sits quietly in the system tray ready to be summoned with a simple mouse... Adjust the base color using the sliders or color wheel and watch your color scheme change before your eyes, from vibrant colors to subtle pastel shades. ... Simply choose a base color and let the built-in color formulas instantly produce a selection of color schemes.
http://dl.filekicker.com/send/file/164966-U2PR/cche3210.exe - 2Mb - Download - Screenshot

Little RGB Color Picker
Select a color from the palette and this handy little utility displays the html hex code and the RGB values for that color. Fine tune the color using the sliding controls. Also shows a color sample. Copying the codes to the clipboard is just a click away. ... Great for programmers or graphic and web designers.
http://www.highdesertsoftware.com/...wnload.pl?file=littlergbsetup.exe - 1Mb - Download - Screenshot

HTML-Color-Codes
HTML-Color-Codes, a personal pocket-palette! Practice safe HTML with this cute collection of web-safe colors! No install required, no nasty spyware, adware or other critters!
http://acme-web-design.info/apps/html-color-codes.exe - 197Kb - Download - Screenshot